
Table 1
Timeline of the implementation of integrated care (IC) in Norrtälje.
Table 2
Demographic changes in Norrtälje from 2000 to 2011.
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 10249 | 10460 | 10660 | 10801 | 10921 | 11114 | 11330 | 11704 | 12242 | 12832 | 13103 | 13893 |
| Age (mean) | 75.69 | 75.7 | 75.71 | 75.71 | 75.69 | 75.66 | 75.56 | 75.43 | 75.19 | 74.98 | 74.75 | 74.71 |
| Sex (%) | ||||||||||||
| Men | 45.29 | 45.38 | 45.54 | 45.72 | 45.83 | 46.07 | 46.44 | 46.69 | 46.8 | 47.11 | 47.15 | 47.47 |
| Living situation (%) | ||||||||||||
| Cohabitating | 55.75 | 51.63 | 52.14 | 51.28 | 54.69 | 54.67 | 54.43 | 54.94 | 55.61 | 56.11 | 56.45 | 56.55 |
| Alone | 44.25 | 43.3 | 43.02 | 43.74 | 45.31 | 45.33 | 45.57 | 45.06 | 44.39 | 43.89 | 43.55 | 43.45 |
| Missing | 5.08 | 4.84 | 4.98 | |||||||||

Figure 1
Results from the generalised additive model of the change in rate of hospitalisation for ACSC (The dots represent the actual observations).

Figure 2
Linear trends in hospitalisation rates for ACSC before and after the introduction of IC in Norrtälje (The dots represent the actual observations).

Figure 3
Trends in the relative difference in hospitalisation rates between Norrtälje and Stockholm before and after the introduction of IC (The dots represent the actual observations).
Table 3
Results from the linear regression models.
| TREND BEFORE IC | TREND CHANGE AFTER IC | |||
|---|---|---|---|---|
| VALUE | p-VALUE | VALUE | p-VALUE | |
| Rate of hospitalisation for ACSC | ||||
| Population 65+ in Norrtälje | 0.1018 | 0.0481 | –0.2441 | 0.008 |
| Population 80+ in Norrtälje | –0.0966 | 0.3748 | 0.2510 | 0.189 |
| Relative Index of Inequality for the population of Norrtälje | 0.0046 | 0.6027 | –0.0021 | 0.892 |
| Relative difference in rate of hospitalisation for ACSC in Norrtälje compared to the matched control group | ||||
| Population 65+ | 0.004 | 0.2478 | –0.0117 | 0.083 |
| Population 80+ | –0.007 | 0.105 | 0.0096 | 0.184 |
Table 4
Results from the generalised additive model and a linear model of the rate of hospitalisation for ACSC in Norrtälje among individuals with low income. The results correspond to the lines in Figure 4 in the following way: GAM model 1 = black line; GAM model 2 = red line; GAM model 3 = blue line; Linear model = green line.
| GAM MODEL 1 | GAM MODEL 2 | GAM MODEL 3 | LINEAR MODEL | |||||
|---|---|---|---|---|---|---|---|---|
| VALUE | p-VALUE | VALUE | p-VALUE | VALUE | p-VALUE | VALUE | p-VALUE | |
| Intercept | 15.11 | <0.001 | 27.60 | <0.001 | 38.643 | <0.001 | 13.82 | <0.001 |
| Time | n.a. | n.a. | n.a. | 0.182 | 0.056 | |||
| Trend 2006 | –1.999 | 0.005 | –3.527 | <0.001 | –0.583 | 0.005 | ||
| Trend 2010 | –1.983 | 0.016 | 0.645 | 0.155 | ||||
| AIC | 268.27 | 260.48 | 254.96 | 267.31 | ||||

Figure 4
Results from the generalised additive model of the change in rate of hospitalisation for ACSC among the lowest income group (Black = Empty model; Red = adding a linear trend change after 2006; Blue = adding a second trend change after 2010; Green = Linear model with two trend changes using ordinary least squares; The dots represent the actual observations).
